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EN 1.7379 Steel vs. SAE-AISI 1080 Steel

Both EN 1.7379 steel and SAE-AISI 1080 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7379 steel and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
11
Fatigue Strength, MPa 320
300 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Tensile Strength: Ultimate (UTS), MPa 670
770 to 870
Tensile Strength: Yield (Proof), MPa 460
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
400
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 59
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 550
610 to 920
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
27 to 31
Strength to Weight: Bending, points 22
24 to 26
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 19
25 to 29

Alloy Composition

Carbon (C), % 0.13 to 0.2
0.75 to 0.88
Chromium (Cr), % 2.0 to 2.5
0
Iron (Fe), % 94.5 to 96.5
98.1 to 98.7
Manganese (Mn), % 0.5 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.050